Popsugar Fashion Red Carpet Stylish Stars That Are 21 and Under 20 Stars 21 and Under Who Influence Fashion in a Big Way October 14, 2014 by Sarah Wasilak View On One Page Photo 16 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Sami Gayle, 18 Blue Bloods actress Sami Gayle bares more than a hint of her midriff and still looks sweet. Previous Next Start Slideshow Selena GomezMiley CyrusCara DelevingneKendall JennerRed Carpet